An example of what looks to me like an intermediate Helminthoglypta. From the photos I took it seems like lip of the aperature curves more in H. arrosa, which would suggest arrosa for this one, though the umbilicus seems half covered.
Umbilicus fully covered, and I *think* I can see the reticulated pattern on the shell described by Pilsby: http://babel.hathitrust.org/cgi/pt?id=uc1.31822013176466;view=1up;seq=118
A predatory snail that eats other snails. Its shell is almost flat when viewed from the side, i.e. the spiral doesn't really go up.
In "northern San Mateo county" there are supposedly two species of Helminthoglypta, H. arrosa and H. nickliniana. The former has an open umbilicus (the hole in the middle of the spiral of the shell when viewed from below), while the latter has a flag of the aperture covering the umbilicus. This and many others were found at the bottom of a slope. Coast live oak was the dominant tree.
National AIDS Memorial Grove
Hoover Redwood Grove
Rockaway Beach in Pacifica, CA
My pet bullfrog tadpole I got from big Chico Creek
Some on was walking their dog in the same direction I was walking home
My neighbors dog
My neighbors cat
This family in the middle of the mountains own lamas in their front yard. We were driving by and saw them. Location. Skyline ranch
Along with many seagulls in the water and on the long there was another bird I am unfamiliar with alongside them.
There were four deer at this site
This one looks like it may actually be a norther alligator lizard
On a north facing slope under Monterey pine tree, sandy soils
Growing under Monterey cypress, golden color more pronounced at tips- fading towards the base
Pannaria? Physcia? Not making much progress on this one. Abundant on shrub stems, so probably Baccharis, Eriophyllum, Ceanothus, etc.
Doesn't key quite right in Brodo. Maybe P. stictica based on the pic in Brodo.